All changes to tower
| Date | Change | Source |
|---|---|---|
| 12 Apr 2023 | Frame Fr1, Fr2 added; toilet added; 1-6: nominal added | Tim Jackson from personal visit and citing board in the tower. Recorded and analysed by David Kelly |
| 28 Aug 2013 | 1-6: diam,canons added | George Dawson via 00010496 |